Home / 66,497,620.20-99,578,468.70-43,654,842.60

Finding the Fourth Proportional to 66,497,620.20, 99,578,468.70 and 43,654,842.60

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Solution

The fourth proportional to 66,497,620.20, 99,578,468.70 and 43,654,842.60 is: 65,371,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497,620.20 : 99,578,468.70 = 43,654,842.60 : x
  2. Step 2: Convert to fraction form
    66,497,620.20/99,578,468.70 = 43,654,842.60/x
  3. Step 3: Cross multiply
    66,497,620.20x = 99,578,468.70 × 43,654,842.60
  4. Step 4: Simplify right side
    66,497,620.20x = 4,347,082,377,447,527
  5. Step 5: Solve for x
    x = 4,347,082,377,447,527/66,497,620.20
  6. Step 6: Final answer
    x = 65,371,999.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.